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Salesforce JavaScript-Developer-I Certification Exam is designed to evaluate the skills and knowledge of developers who work with JavaScript in the Salesforce platform. Salesforce Certified JavaScript Developer I Exam certification is intended for individuals who are responsible for designing, developing, and deploying custom solutions in Salesforce using JavaScript. JavaScript-Developer-I exam is an excellent opportunity for developers to demonstrate their expertise and advance their careers in the Salesforce ecosystem.

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JavaScript-Developer-I Sample Exam | Latest JavaScript-Developer-I Exam Question

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Salesforce JavaScript-Developer-I exam consists of 60 multiple-choice questions that need to be completed in 105 minutes. JavaScript-Developer-I exam covers a range of topics, including JavaScript programming concepts, object-oriented programming, debugging and testing, and integrating with Salesforce. To prepare for the exam, candidates can take the official Salesforce training course, review the official exam guide, and practice with sample questions and exams. Passing the exam requires a minimum score of 65%, and the exam fee is $200 USD.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q60-Q65):

NEW QUESTION # 60
A developer creates an object where its properties should be immutable and prevent
properties from being added or modified.
Which method should be used to execute this business requirement ?

A. Object.lock()
B. Object.freeze()
C. Object.const()
D. Object.eval()

Answer: B

NEW QUESTION # 61
Refer to the code below:
for(let number =2 ; number <= 5 ; number += 1 ) {
// insert code statement here
}
The developer needs to insert a code statement in the location shown. The code
statement has these requirements:
1. Does require an import
2. Logs an error when the boolean statement evaluates to false
3. Works in both the browser and Node.js
Which meet the requirements?

A. console.debug(number % 2 === 0);
B. assert (number % 2 === 0);
C. console.assert(number % 2 === 0);
D. console.error(number % 2 === 0);

Answer: D

NEW QUESTION # 62
Given the following code:

What will be the first four numbers logged?

A. 0123
B. 0012
C. 0122
D. 0112

Answer: D

NEW QUESTION # 63
developer has a web server running with Node.js. The command to start the web server is node server,js. The web server started having latency issues. Instead of a one second turn around for web requests, the developer now sees a five second turnaround, Which command can the web developer run to see what the module is doing during the latency period?

A. NODE_DEBUG =true node server.js
B. DEBUG = http, https node server.js
C. DEBUG =true node server.js
D. NODE_DEBUG =http, https node server.js

Answer: C

NEW QUESTION # 64
A developer needs to test this functions:

Which two assert statements are valid tests for this function?

A. Console.assert(sum3([0]) 0) ;
B. Console.assert(sum3((1, '2' ]) 12 );
C. Console.assert(sum3 (['hello' 2, 3, 4]) NaN);
D. Console.assert(sum3 ([-3, 2]) -1) ;

Answer: B,D

NEW QUESTION # 65
......

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